1. Demographic Variables

2. Total live births in a year per 1000 people Highest in Sub-Saharan Africa, Middle East Lowest in Eastern and Western Europe Total live births in a year per 1000 people Highest in Sub-Saharan Africa, Middle East Lowest in Eastern and Western Europe CRUDE BIRTH RATE (CBR)

3. Total deaths in a year per every 1000 alive CRUDE DEATH RATE (CDR)

4. Percent by which a population grows in a year (CBR – CDR) Current world NIR is 1.2, about 80 million people per year Highest in Sub-Saharan Africa and Middle East Percent by which a population grows in a year (CBR – CDR) Current world NIR is 1.2, about 80 million people per year Highest in Sub-Saharan Africa and Middle East NATURAL INCREASE RATE (NIR)

5. Average number of children a woman will have during fertility Fertility range is 15 to 49 years old Highest in Sub-Saharan Africa and Middle East Average number of children a woman will have during fertility Fertility range is 15 to 49 years old Highest in Sub-Saharan Africa and Middle East TOTAL FERTILITY RATE (TFR)

6. Annual infant (<1) deaths per 1000 live births Highest in Sub-Saharan Africa; Lowest in Europe IMR reflects a county’s health care system Annual infant (<1) deaths per 1000 live births Highest in Sub-Saharan Africa; Lowest in Europe IMR reflects a county’s health care system INFANT MORTALITY RATE (IMR)

7. Years an infant expects to live at current mortality rates Lowest in Sub-Saharan Africa Highest in Western Europe Years an infant expects to live at current mortality rates Lowest in Sub-Saharan Africa Highest in Western Europe LIFE EXPECTANCY (LE)

8. Dependency Ratio The number of people who are too young (≤14) or too old (≥65) to work compared to the number of people in their productive years (15-64) Sex Ratio The number of males per 100 females in a population. In general, slightly more males are born, but females have higher life expectancy OTHER RATIOS